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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 354 · 40 questions
TalentJR

How to solve it (Cross-multiply to compare): Compare a/b and c/d: work out a × d and c × b — the bigger product goes with the bigger fraction. Add: make the bottoms the same (use the LCM), add the tops, then simplify. Fraction of a number: divide by the bottom, multiply by the top (3/4 of 48 = 48 ÷ 4 × 3 = 36).

NameDateTime takenScore ___ / 40
  1. 1.What is 1/6 of 60? (a) 10 (b) 20 (c) 50 (d) 11
  2. 2.1/2 + 2/4 = ? (a) 5/4 (b) 1/2 (c) 3/4 (d) 1
  3. 3.3/8 + 1/4 = ? (a) 3/4 (b) 5/8 (c) 1/2 (d) 1/3
  4. 4.2/3 + 2/3 = ? (a) 1 (b) 2/3 (c) 4/3 (d) 5/3
  5. 5.Which fraction is greater: 5/6 or 1/3? (a) 1/3 (b) 5/6 (c) They are equal
  6. 6.Which fraction is greater: 4/7 or 3/4? (a) 4/7 (b) They are equal (c) 3/4
  7. 7.3/4 + 1/5 = ? (a) 9/10 (b) 1 (c) 4/9 (d) 19/20
  8. 8.What is 6/7 of 70? (a) 70 (b) 60 (c) 10 (d) 61
  9. 9.Which fraction is greater: 5/11 or 5/8? (a) 5/11 (b) They are equal (c) 5/8
  10. 10.1/2 + 1/2 = ? (a) 2 (b) 1/2 (c) 1 (d) 3/2
  11. 11.1/7 + 3/4 = ? (a) 4/11 (b) 13/14 (c) 6/7 (d) 25/28
  12. 12.What is 1/2 of 18? (a) 10 (b) 9 (c) 8 (d) 18
  13. 13.What is 1/4 of 8? (a) 2 (b) 4 (c) 3 (d) 6
  14. 14.What is 7/8 of 88? (a) 88 (b) 78 (c) 77 (d) 11
  15. 15.1/5 + 1/2 = ? (a) 3/5 (b) 2/7 (c) 7/10 (d) 4/5
  16. 16.2/7 + 1/3 = ? (a) 13/21 (b) 4/7 (c) 3/10 (d) 2/3
  17. 17.5/7 + 2/5 = ? (a) 7/12 (b) 38/35 (c) 8/7 (d) 39/35
  18. 18.5/8 + 2/4 = ? (a) 9/8 (b) 7/12 (c) 1 (d) 5/4
  19. 19.What is 1/6 of 24? (a) 20 (b) 4 (c) 8 (d) 5
  20. 20.What is 1/2 of 22? (a) 22 (b) 11 (c) 12 (d) 10
  21. 21.Which fraction is greater: 3/4 or 1/9? (a) 1/9 (b) 3/4 (c) They are equal
  22. 22.Which fraction is greater: 3/8 or 8/9? (a) 3/8 (b) They are equal (c) 8/9
  23. 23.4/5 + 1/2 = ? (a) 6/5 (b) 5/7 (c) 7/5 (d) 13/10
  24. 24.What is 1/3 of 33? (a) 11 (b) 12 (c) 22 (d) 10
  25. 25.Which fraction is greater: 7/11 or 5/9? (a) 7/11 (b) 5/9 (c) They are equal
  26. 26.What is 1/2 of 24? (a) 12 (b) 11 (c) 13 (d) 24
  27. 27.Which fraction is greater: 7/8 or 3/5? (a) 7/8 (b) 3/5 (c) They are equal
  28. 28.Which fraction is greater: 1/7 or 1/10? (a) 1/10 (b) They are equal (c) 1/7
  29. 29.Which fraction is greater: 1/3 or 2/5? (a) 2/5 (b) They are equal (c) 1/3
  30. 30.What is 1/2 of 12? (a) 7 (b) 5 (c) 12 (d) 6
  31. 31.What is 1/2 of 6? (a) 4 (b) 6 (c) 3 (d) 2
  32. 32.Which fraction is greater: 2/3 or 3/4? (a) 3/4 (b) 2/3 (c) They are equal
  33. 33.4/5 + 1/6 = ? (a) 29/30 (b) 14/15 (c) 1 (d) 5/11
  34. 34.1/3 + 1/5 = ? (a) 8/15 (b) 7/15 (c) 3/5 (d) 1/4
  35. 35.3/4 + 2/4 = ? (a) 5/4 (b) 5/8 (c) 3/2 (d) 1
  36. 36.What is 1/3 of 12? (a) 5 (b) 3 (c) 4 (d) 8
  37. 37.Which fraction is greater: 5/9 or 5/6? (a) They are equal (b) 5/6 (c) 5/9
  38. 38.What is 6/7 of 77? (a) 67 (b) 11 (c) 66 (d) 77
  39. 39.Which fraction is greater: 1/3 or 2/11? (a) They are equal (b) 2/11 (c) 1/3
  40. 40.Which fraction is greater: 1/6 or 6/11? (a) 1/6 (b) They are equal (c) 6/11

Answer key

  1. 10
  2. 1
  3. 5/8
  4. 4/3
  5. 5/6
  6. 3/4
  7. 19/20
  8. 60
  9. 5/8
  10. 1
  11. 25/28
  12. 9
  13. 2
  14. 77
  15. 7/10
  16. 13/21
  17. 39/35
  18. 9/8
  19. 4
  20. 11
  21. 3/4
  22. 8/9
  23. 13/10
  24. 11
  25. 7/11
  26. 12
  27. 7/8
  28. 1/7
  29. 2/5
  30. 6
  31. 3
  32. 3/4
  33. 29/30
  34. 8/15
  35. 5/4
  36. 4
  37. 5/6
  38. 66
  39. 1/3
  40. 6/11

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